14 lines
318 B
Scala
14 lines
318 B
Scala
object NonContinuousSubSequences extends App {
|
|
|
|
private def seqR(s: String, c: String, i: Int, added: Int): Unit = {
|
|
if (i == s.length) {
|
|
if (c.trim.length > added) println(c)
|
|
} else {
|
|
seqR(s, c + s(i), i + 1, added + 1)
|
|
seqR(s, c + " ", i + 1, added)
|
|
}
|
|
}
|
|
|
|
seqR("1234", "", 0, 0)
|
|
}
|